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Peer reviewedJusczyk, Peter W.; Johnson, Scott P.; Kennedy, Lori J.; Spelke, Elizabeth S. – Cognition, 1999
This study compared role of motion in adults' and infants' perception of object unity. Findings favored ecologically-oriented accounts of object perception. Motion was a determinant of object unity for infants. Alignment and common motion contributed to adults' object-unity perception; synchronous color changes did not. Infants detected…
Descriptors: Adults, Age Differences, Color, Infants
Peer reviewedWilcox, Teresa – Cognition, 1999
Four experiments examined the perceptual features used by 4.5- to 11.5-month olds to individuate objects involved in occlusion events. Results indicated that 4.5-month olds used shape and size features to individuate objects in occlusion events. By 7.5 months, infants used pattern, and by 11.5 months, they used color to reason about object…
Descriptors: Cognitive Development, Color, Infants, Pattern Recognition
